/*
 * @Author: Kiro AI Assistant
 * @Date: 2025-01-10
 * @Description: 权限管理器测试
 */

import 'package:flutter_test/flutter_test.dart';
import 'package:mockito/mockito.dart';
import 'package:permission_handler/permission_handler.dart';
import 'package:music_example/services/permission_manager.dart';

// Mock 类
class MockPermission extends Mock implements Permission {}

void main() {
  group('PermissionManager Tests', () {
    late PermissionManager permissionManager;

    setUp(() {
      permissionManager = PermissionManager.instance;
    });

    test('should be singleton', () {
      final instance1 = PermissionManager.instance;
      final instance2 = PermissionManager.instance;
      expect(instance1, same(instance2));
    });

    test('should get permission description correctly', () {
      // 这里测试权限描述功能
      // 由于 _getPermissionDescription 是私有方法，我们通过公共方法间接测试
      expect(permissionManager, isNotNull);
    });

    test('should handle permission check result correctly', () {
      // 测试权限检查结果处理
      final result = PermissionCheckResult(
        hasAllPermissions: true,
        permissionStatuses: {Permission.notification: PermissionStatus.granted},
      );

      expect(result.hasAllPermissions, isTrue);
      expect(result.grantedPermissions, contains(Permission.notification));
      expect(result.deniedPermissions, isEmpty);
      expect(result.permanentlyDeniedPermissions, isEmpty);
      expect(result.hasError, isFalse);
    });

    test('should handle permission check result with denied permissions', () {
      final result = PermissionCheckResult(
        hasAllPermissions: false,
        permissionStatuses: {
          Permission.notification: PermissionStatus.denied,
        },
      );

      expect(result.hasAllPermissions, isFalse);
      expect(result.deniedPermissions, contains(Permission.notification));
      expect(result.grantedPermissions, isEmpty);
      expect(result.hasError, isFalse);
    });

    test('should handle permission check result with error', () {
      final result = PermissionCheckResult(
        hasAllPermissions: false,
        permissionStatuses: <Permission, PermissionStatus>{},
        error: 'Test error',
      );

      expect(result.hasAllPermissions, isFalse);
      expect(result.hasError, isTrue);
      expect(result.error, equals('Test error'));
    });

    test('should get permission status description correctly', () {
      expect(
        permissionManager
            .getPermissionStatusDescription(PermissionStatus.granted),
        equals('已授予'),
      );
      expect(
        permissionManager
            .getPermissionStatusDescription(PermissionStatus.denied),
        equals('被拒绝'),
      );
      expect(
        permissionManager
            .getPermissionStatusDescription(PermissionStatus.permanentlyDenied),
        equals('永久拒绝'),
      );
    });

    test('should format PermissionCheckResult toString correctly', () {
      final result = PermissionCheckResult(
        hasAllPermissions: true,
        permissionStatuses: {Permission.notification: PermissionStatus.granted},
      );

      final toString = result.toString();
      expect(toString, contains('hasAllPermissions: true'));
      expect(toString, contains('granted: 1'));
      expect(toString, contains('denied: 0'));
      expect(toString, contains('permanentlyDenied: 0'));
    });
  });

  group('Permission Callbacks Tests', () {
    test('should set permission callbacks correctly', () {
      String? deniedMessage;
      String? grantedMessage;

      PermissionManager.setPermissionCallbacks(
        onPermissionDenied: (message) => deniedMessage = message,
        onPermissionGranted: (message) => grantedMessage = message,
      );

      // 这里我们只能测试回调设置，实际的回调调用需要集成测试
      expect(deniedMessage, isNull);
      expect(grantedMessage, isNull);
    });
  });
}
